diff --git a/cime_config/machines/config_machines.xml b/cime_config/machines/config_machines.xml
index 36381d781535..bd39d417fc1b 100644
--- a/cime_config/machines/config_machines.xml
+++ b/cime_config/machines/config_machines.xml
@@ -1987,7 +1987,8 @@ commented out until "*** No rule to make target '.../libadios2pio-nm-lib.a'" iss
       <env name="PERL5LIB">/nfs/gce/projects/climate/software/perl5/lib/perl5</env>
     </environment_variables>
     <environment_variables compiler="gnu" mpilib="mpich">
-      <env name="ADIOS2_ROOT">$SHELL{if [ -z "$ADIOS2_ROOT" ]; then echo /nfs/gce/projects/climate/software/linux-ubuntu22.04-x86_64/adios2/2.9.1/mpich-4.1.2/gcc-12.1.0; else echo "$ADIOS2_ROOT"; fi}</env>
+      <env name="ADIOS2_ROOT">$SHELL{if [ -z "$ADIOS2_ROOT" ]; then echo /nfs/gce/projects/climate/software/linux-ubuntu22.04-x86_64/adios2/2.10.1/mpich-4.1.2/gcc-12.1.0; else echo "$ADIOS2_ROOT"; fi}</env>
+      <env name="BLOSC2_ROOT">$SHELL{if [ -z "$BLOSC2_ROOT" ]; then echo /nfs/gce/projects/climate/software/linux-ubuntu22.04-x86_64/c-blosc2/2.15.1/gcc-12.1.0; else echo "$BLOSC2_ROOT"; fi}</env>
     </environment_variables>
   </machine>
 
diff --git a/cime_config/testmods_dirs/io/force_adiosc/shell_commands b/cime_config/testmods_dirs/io/force_adiosc/shell_commands
new file mode 100644
index 000000000000..543d5dbfef07
--- /dev/null
+++ b/cime_config/testmods_dirs/io/force_adiosc/shell_commands
@@ -0,0 +1,2 @@
+#!/bin/bash
+./xmlchange PIO_TYPENAME="adiosc"
diff --git a/components/cmake/modules/FindPIO.cmake b/components/cmake/modules/FindPIO.cmake
index 0277918ac8e0..5589dff0ed04 100644
--- a/components/cmake/modules/FindPIO.cmake
+++ b/components/cmake/modules/FindPIO.cmake
@@ -42,6 +42,9 @@ endif()
 # we can assume that an MPI case with ADIOS2_ROOT set is probably
 # using adios.
 if (NOT MPILIB STREQUAL "mpi-serial" AND DEFINED ENV{ADIOS2_ROOT})
+  if(DEFINED ENV{BLOSC2_ROOT})
+    set(ENV{Blosc2_DIR} "$ENV{BLOSC2_ROOT}")
+  endif()
   find_package(MPI REQUIRED COMPONENTS C)
   find_package(ADIOS2 REQUIRED COMPONENTS C)
   list(APPEND PIOLIBS adios2::adios2)
diff --git a/driver-mct/cime_config/config_component.xml b/driver-mct/cime_config/config_component.xml
index 8cddad0abf89..cdfca40befa4 100644
--- a/driver-mct/cime_config/config_component.xml
+++ b/driver-mct/cime_config/config_component.xml
@@ -2628,7 +2628,7 @@
 
   <entry id="PIO_TYPENAME">
     <type>char</type>
-    <valid_values>netcdf,pnetcdf,netcdf4p,netcdf4c,adios,hdf5,default</valid_values>
+    <valid_values>netcdf,pnetcdf,netcdf4p,netcdf4c,adios,adiosc,hdf5,default</valid_values>
     <group>run_pio</group>
     <file>env_run.xml</file>
     <desc>pio io type</desc>
diff --git a/driver-moab/cime_config/config_component.xml b/driver-moab/cime_config/config_component.xml
index d3685126c61e..ac9e46a476e9 100644
--- a/driver-moab/cime_config/config_component.xml
+++ b/driver-moab/cime_config/config_component.xml
@@ -2620,7 +2620,7 @@
 
   <entry id="PIO_TYPENAME">
     <type>char</type>
-    <valid_values>netcdf,pnetcdf,netcdf4p,netcdf4c,adios,hdf5,default</valid_values>
+    <valid_values>netcdf,pnetcdf,netcdf4p,netcdf4c,adios,adiosc,hdf5,default</valid_values>
     <group>run_pio</group>
     <file>env_run.xml</file>
     <desc>pio io type</desc>
diff --git a/externals/scorpio b/externals/scorpio
index 804f87c48fc9..59601f625e34 160000
--- a/externals/scorpio
+++ b/externals/scorpio
@@ -1 +1 @@
-Subproject commit 804f87c48fc9013009307b806d1aff2afa3a0d7c
+Subproject commit 59601f625e34019de0e1d3411d07bdc9e70d0054
diff --git a/share/build/buildlib.spio b/share/build/buildlib.spio
index d17627c4323d..064fa751e4ae 100755
--- a/share/build/buildlib.spio
+++ b/share/build/buildlib.spio
@@ -78,6 +78,8 @@ def buildlib(bldroot, installpath, case):
     # ADIOS2_ROOT. This is a workaround
     if "ADIOS2_ROOT" in os.environ:
         os.environ["ADIOS2_DIR"] = os.environ["ADIOS2_ROOT"]
+    if "BLOSC2_ROOT" in os.environ:
+        os.environ["Blosc2_DIR"] = os.environ["BLOSC2_ROOT"]
 
     # If variable PIO_VERSION_MAJOR is defined in the environment then
     # we assume that PIO is installed on the system
@@ -105,10 +107,14 @@ def buildlib(bldroot, installpath, case):
     else:
         cmake_opts += f"-DGENF90_PATH={scorpio_src_dir}/src/genf90 "
 
+    adiosc_found = False
     if "ADIOS2_ROOT" in os.environ:
         cmake_opts += "-DWITH_ADIOS2:BOOL=ON "
         if "FROM_CREATE_TEST" in os.environ and os.environ["FROM_CREATE_TEST"] == "True":
             cmake_opts += "-DADIOS_BP2NC_TEST:BOOL=ON "
+        if "BLOSC2_ROOT" in os.environ:
+            cmake_opts += "-DADIOS_USE_COMPRESSION:BOOL=ON "
+            adiosc_found = True
 
     if debug:
         cmake_opts += "-DPIO_ENABLE_LOGGING=ON "
@@ -281,6 +287,8 @@ def buildlib(bldroot, installpath, case):
         valid_values += ",netcdf4p,netcdf4c"
     if adios_found:
         valid_values += ",adios"
+        if adiosc_found:
+            valid_values += ",adiosc"
     if hdf5_found:
         valid_values += ",hdf5"
 
diff --git a/share/util/shr_pio_mod.F90 b/share/util/shr_pio_mod.F90
index d500cbc680a2..11cefd725b54 100644
--- a/share/util/shr_pio_mod.F90
+++ b/share/util/shr_pio_mod.F90
@@ -679,6 +679,8 @@ subroutine shr_pio_getiotypefromname(typename, iotype, defaulttype)
 #ifndef PIO1
     else if ( typename .eq. 'ADIOS') then
        iotype = pio_iotype_adios
+    else if ( typename .eq. 'ADIOSC') then
+       iotype = pio_iotype_adiosc
     else if ( typename .eq. 'HDF5') then
        iotype = pio_iotype_hdf5
 #endif